TWI832213B - Lubricated torque wrench - Google Patents
Lubricated torque wrench Download PDFInfo
- Publication number
- TWI832213B TWI832213B TW111114510A TW111114510A TWI832213B TW I832213 B TWI832213 B TW I832213B TW 111114510 A TW111114510 A TW 111114510A TW 111114510 A TW111114510 A TW 111114510A TW I832213 B TWI832213 B TW I832213B
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- Prior art keywords
- slider body
- steel pipe
- torsion spring
- torque wrench
- slider
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 238000005461 lubrication Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
本發明公開了一種具有潤滑的扭矩扳手，屬於扳手設備技術領域，解決了現有扭矩扳手的潤滑不夠，導致疲勞精度出現超差的問題，其技術要點是：包括手柄主體，所述手柄主體的一側連接鋼管，所述鋼管的一側設置有驅動頭，還包括：第一滑塊主體，所述第一滑塊主體內設置有第二滑塊主體，所述第二滑塊主體連接驅動方塊，所述驅動方塊連接碰撞塊，所述第一滑塊主體、第二滑塊主體以及碰撞塊設置在所述鋼管內；以及油槽，所述油槽設置在所述第一滑塊主體外側，所述油槽設置由若干個均勻分佈在所述第一滑塊主體周側，具有潤滑充分的優點。 The invention discloses a torque wrench with lubrication, which belongs to the technical field of wrench equipment. It solves the problem of insufficient lubrication of existing torque wrenches, resulting in excessive fatigue accuracy. Its technical points are: it includes a handle body, and a part of the handle body The side is connected to the steel pipe, and a driving head is provided on one side of the steel pipe. It also includes: a first slider body, a second slider body is provided inside the first slider body, and the second slider body is connected to the driving block. , the driving block is connected to the collision block, the first slider body, the second slider body and the collision block are arranged in the steel pipe; and the oil tank is arranged outside the first slider body, so The oil grooves are provided with several evenly distributed around the first slider body, which has the advantage of sufficient lubrication.
Description
本發明涉及扳手設備技術領域，具體是涉及一種具有潤滑的扭矩扳手。 The present invention relates to the technical field of wrench equipment, and in particular to a torque wrench with lubrication.
扭矩扳手又叫扭矩扳手、扭矩可調扳手，是扳手的一種。按動力源可分為：電動力矩扳手、氣動力矩扳手、液壓力矩扳手、手動力矩扳手以及數位扭力扳手；手動力矩扳手可分為：預置式、定值式、錶盤式、數顯式、打滑式、折彎式、以及公斤扳手。當螺釘和螺栓對扭矩有要求的狀態下，使用扭矩扳手可以允許操作員施加特定扭矩值。 Torque wrench, also called torque wrench and torque adjustable wrench, is a type of wrench. According to the power source, it can be divided into: electric torque wrench, pneumatic torque wrench, hydraulic torque wrench, manual torque wrench and digital torque wrench; manual torque wrench can be divided into: preset type, fixed value type, dial type, digital display type, slip type Type, bending type, and kg wrenches. When screws and bolts require torque, the use of a torque wrench allows the operator to apply a specific torque value.
現有的扭矩扳手結構為扭矩扳手本體和連接套筒，扭矩扳手設定扭矩後，對螺絲緊固起到扭矩值的作用，扭力扳手連接的套筒可根據螺母的型號更換不用尺寸，使用需要安裝套筒，使用後需將套筒摘下，分別存放。 The existing torque wrench structure is a torque wrench body and a connecting sleeve. After the torque wrench sets the torque, it plays a role in the torque value for screw tightening. The sleeve connected by the torque wrench can be replaced according to the model of the nut, and the size needs to be installed. sleeve, you need to take off the sleeve after use and store it separately.
整個滑塊由一個主體，直接與鋼管相互接觸，直接摩擦主管，主管磨損，精度無法保證，鋼珠滑塊的裝配工藝複雜，也是直接與主管接觸，滾動摩擦相對滑塊摩擦減少了磨損，接觸為點接觸，對鋼管也會有一定的磨損。 The entire slider consists of a main body, which is in direct contact with the steel pipe. It directly rubs against the main pipe, causing the main pipe to wear out, and the accuracy cannot be guaranteed. The assembly process of the steel ball slider is complicated, and it is also in direct contact with the main pipe. The rolling friction reduces the wear compared to the friction of the slider. The contact is Point contact will also cause certain wear on the steel pipe.
針對現有技術存在的不足，本發明實施例的目的在於提供一種具有潤滑的扭矩扳手，以解決上述背景技術中的問題。 In view of the shortcomings of the prior art, the purpose of embodiments of the present invention is to provide a torque wrench with lubrication to solve the above-mentioned problems in the background art.
為實現上述目的，本發明提供如下技術方案：一種具有潤滑的扭矩扳手，包括手柄主體，所述手柄主體的一側連接鋼管，所述鋼管的一側設置有驅動頭，還包括：第一滑塊主體，所述第一滑塊主體內設置有第二滑塊主體，所述第二滑塊主體連接驅動方塊，所述驅動方塊連接碰撞塊，所述第一滑塊主體、第二滑塊主體以及碰撞塊設置在所述鋼管內；以及油槽，所述油槽設置在所述第一滑塊主體外側，所述油槽設置由若干個均勻分佈在所述第一滑塊主體周側，所述油槽設置在所述第一滑塊主體軸向面，所述油槽可以採用圓形、長方形、多邊形以及環形，同時油槽的個數以及分佈不做限制。 In order to achieve the above object, the present invention provides the following technical solution: a torque wrench with lubrication, including a handle body, one side of the handle body is connected to a steel pipe, one side of the steel pipe is provided with a driving head, and also includes: a first slider. block body, the first slider body is provided with a second slider body, the second slider body is connected to the driving block, the driving block is connected to the collision block, the first slider body, the second slider The main body and the collision block are arranged in the steel pipe; and the oil groove is arranged outside the first slider body, and the oil groove is composed of several evenly distributed around the first slider body. The oil groove is arranged on the axial surface of the first slider body. The oil groove can be circular, rectangular, polygonal or annular, and the number and distribution of the oil grooves are not limited.
作為本發明進一步的方案，所述手柄主體內設置有調節螺桿，所述調節螺桿連接扭力彈簧，所述扭力彈簧的一端設置在所述手柄主體內，所述扭力彈簧的另一端設置在所述鋼管內，所述扭力彈簧用於傳遞動力。 As a further solution of the present invention, an adjusting screw is provided in the handle body, and the adjusting screw is connected to a torsion spring. One end of the torsion spring is disposed in the handle body, and the other end of the torsion spring is disposed on the handle. Inside the steel pipe, the torsion spring is used to transmit power.
作為本發明進一步的方案，所述第一滑塊主體與第二滑塊主體為一整體在鋼管內滑動。 As a further solution of the present invention, the first slider body and the second slider body slide in the steel pipe as a whole.
作為本發明進一步的方案，所述第二滑塊主體的一側設置有凹槽，所述凹槽活動連接所述驅動方塊。 As a further solution of the present invention, a groove is provided on one side of the second slider body, and the groove is movably connected to the driving block.
作為本發明進一步的方案，第二滑塊主體為合金材料，第一滑塊主體採用熟料件。 As a further solution of the present invention, the second slider body is made of alloy material, and the first slider body is made of clinker.
作為本發明進一步的方案，所述凹槽內設置有若干個定位槽，定位槽用於保證方向的穩定性。 As a further solution of the present invention, several positioning grooves are provided in the groove, and the positioning grooves are used to ensure directional stability.
作為本發明進一步的方案，所述手柄主體通過扭力鎖定環連接鋼管，所述扭力鎖定環用於卡緊鋼管，調整好的扭力值進行鎖定功能。 As a further solution of the present invention, the handle body is connected to the steel pipe through a torsion locking ring. The torsion locking ring is used to clamp the steel pipe, and the adjusted torque value performs the locking function.
作為本發明進一步的方案，所述鋼管通過傳動銷連接驅動頭。 As a further solution of the present invention, the steel pipe is connected to the driving head through a transmission pin.
綜上所述，本發明實施例與現有技術相比具有以下有益效果：本發明通過轉動手柄主體，使得手柄主體帶動調節螺桿，調節螺桿對扭力彈簧進行壓縮釋放，進行扭力大小的調節，通過扭力彈簧壓力進行力的傳遞，扭力彈簧的力傳遞到第二滑塊主體發生接觸 第二滑塊主體再與第一滑塊主體發生接觸，第一滑塊主體與扭力彈簧發生接觸，第一滑塊主體的力傳遞到驅動方塊，驅動方塊與碰撞塊發生相對接觸；完成之後，通過驅動頭的力傳遞到螺絲螺桿，驅動頭的力通過傳動銷傳動，驅動頭繞傳動銷進行軸向轉動，當力值達到扭力彈簧設定的力值後，扭力彈簧先進行壓縮後，驅動方塊再進行翻轉，卸力後，扭力彈簧歸位，歸位後，驅動方塊也進行歸位。 To sum up, compared with the prior art, embodiments of the present invention have the following beneficial effects: the present invention rotates the handle body so that the handle body drives the adjusting screw, and the adjusting screw compresses and releases the torsion spring to adjust the size of the torsion. The spring pressure transmits force. The force of the torsion spring is transmitted to the second slider body and contacts the second slider body. The second slider body contacts the first slider body. The first slider body contacts the torsion spring. The first slider body contacts the torsion spring. The force of the main body is transmitted to the driving block, and the driving block and the collision block are in relative contact; after completion, the force of the driving head is transmitted to the screw, and the force of the driving head is transmitted through the transmission pin, and the driving head rotates axially around the transmission pin. After the force value reaches the force value set by the torsion spring, the torsion spring is compressed first, and then the driving block is turned over. After the force is released, the torsion spring returns to its original position. After returning, the driving block also returns to its original position.
為更清楚地闡述本發明的結構特徵和功效，下面結合附圖與具體實施例來對本發明進行詳細說明。 In order to explain the structural features and effects of the present invention more clearly, the present invention will be described in detail below with reference to the drawings and specific embodiments.
1:手柄主體 1: Handle body
2:調節螺桿 2:Adjusting screw
3:扭力彈簧 3: Torsion spring
4:扭力鎖定環 4: Torque locking ring
5:第一滑塊主體 5:First slider body
6:碰撞塊 6: Collision block
7:鋼管 7:Steel pipe
8:驅動方塊 8: Drive block
9:傳動銷 9: Transmission pin
10:驅動頭 10:Drive head
11:第二滑塊主體 11:Second slider body
12:凹槽 12: Groove
13:油槽 13:Oil tank
圖1為發明實施例的結構示意圖；圖2為發明實施例中第一滑塊主體的正視圖；圖3為發明實施例中第一滑塊主體的側視圖；圖4為發明實施例中凹槽的結構示意圖。 Figure 1 is a schematic structural diagram of an embodiment of the invention; Figure 2 is a front view of the first slider body in the embodiment of the invention; Figure 3 is a side view of the first slider body in the embodiment of the invention; Figure 4 is a concave view of the embodiment of the invention. Structural diagram of the tank.
為了使本發明的目的、技術方案及優點更加清楚明白，以下結合附圖及實施例，對本發明進行進一步詳細說明。應當理解，此處所描述的具體實施例僅僅用以解釋本發明，並不用於限定本發明。 In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.
以下結合具體實施例對本發明的具體實現進行詳細描述。 The specific implementation of the present invention will be described in detail below with reference to specific embodiments.
在一個實施例中，一種具有潤滑的扭矩扳手，參見圖1~圖4，包括手柄主體1，所述手柄主體1的一側連接鋼管7，所述鋼管7的一側設置有驅動頭10，還包括：第一滑塊主體5，所述第一滑塊主體5內設置有第二滑塊主體11，所述第二滑塊主體11連接驅動方塊8，所述驅動方塊8連接碰撞塊6，所述第一滑塊主體5、第二滑塊主體11以及碰撞塊6設置在所述鋼管7內；以及油槽13，所述油槽13設置在所述第一滑塊主體5外側，所述油槽13設置由若干個均勻分佈在所述第一滑塊主體5周側。 In one embodiment, a torque wrench with lubrication, see Figures 1 to 4, includes a handle body 1, one side of the handle body 1 is connected to a steel pipe 7, and one side of the steel pipe 7 is provided with a driving head 10, It also includes: a first slider body 5, a second slider body 11 is provided inside the first slider body 5, the second slider body 11 is connected to the driving block 8, and the driving block 8 is connected to the collision block 6 , the first slider body 5, the second slider body 11 and the collision block 6 are arranged in the steel pipe 7; and the oil groove 13 is arranged outside the first slider body 5, the Several oil grooves 13 are provided and evenly distributed around the first slider body 5 .
在本實施例中，通過轉動手柄主體1，使得手柄主體1帶動調節螺桿2，調節螺桿2對扭力彈簧3進行壓縮釋放，進行扭力大小的調節，通過扭力彈簧3壓力進行力的傳遞，扭力彈簧3的力傳遞到第二滑塊主體11發生接觸第二滑塊主體11再與第一滑塊主體5發生接觸，第一滑塊主體5與扭力彈簧3發生接觸，第一滑塊主體5的力傳遞到驅動方塊8，驅動方塊8與碰撞塊6發生相對接觸；完成之後，通過驅動頭10的力傳遞到螺絲螺桿，驅動頭10的力通過傳動銷9傳動，驅動頭10繞傳動銷9進行軸向轉動，當力值達到扭力彈簧3設定的力值後，扭力彈簧3先進行壓縮後，驅動方塊8再進行翻轉，卸力後，扭力彈簧3歸位，歸位後，驅動方塊8也進行歸位； In this embodiment, by rotating the handle body 1, the handle body 1 drives the adjusting screw 2. The adjusting screw 2 compresses and releases the torsion spring 3 to adjust the torque. The force is transmitted through the pressure of the torsion spring 3. The torsion spring The force of 3 is transmitted to the second slider body 11 and contacts the second slider body 11 and then contacts the first slider body 5. The first slider body 5 contacts the torsion spring 3. The first slider body 5 The force is transmitted to the driving block 8, and the driving block 8 is in relative contact with the collision block 6; after completion, the force of the driving head 10 is transmitted to the screw rod, and the force of the driving head 10 is transmitted through the transmission pin 9, and the driving head 10 revolves around the transmission pin 9 Perform axial rotation. When the force value reaches the force value set by the torsion spring 3, the torsion spring 3 is compressed first, and then the driving block 8 is turned over. After the force is released, the torsion spring 3 returns to its position. After returning, the driving block 8 Also perform homing;
在第一滑塊主體5的外側可以採用直接接觸，接觸面採用弧度設計，通過注塑工藝進行加工，或者採用車加工工藝，第一滑塊主體5外側對稱設置的接觸面為實際的接觸位置，在接觸面內設置油槽13。 Direct contact can be used on the outside of the first slider body 5. The contact surface is designed with a curvature and processed through injection molding technology, or a turning process is used. The symmetrically arranged contact surface on the outside of the first slider body 5 is the actual contact position. An oil groove 13 is provided in the contact surface.
在一個實施例中，參見圖1~圖4，所述手柄主體1內設置有調節螺桿2，所述調節螺桿2連接扭力彈簧3，所述扭力彈簧3的一端設置在所述手柄主體1內，所述扭力彈簧3的另一端設置在所述鋼管7內，所述扭力彈簧3用於傳遞動力。 In one embodiment, referring to Figures 1 to 4, an adjusting screw 2 is provided in the handle body 1. The adjusting screw 2 is connected to a torsion spring 3. One end of the torsion spring 3 is provided in the handle body 1. , the other end of the torsion spring 3 is arranged in the steel pipe 7, and the torsion spring 3 is used to transmit power.
進一步的，參見圖1~圖4，所述第一滑塊主體5與第二滑塊主體11為一整體在鋼管7內滑動。 Further, referring to Figures 1 to 4, the first slider body 5 and the second slider body 11 slide in the steel pipe 7 as a whole.
進一步的，參見圖1~圖4，所述第二滑塊主體11的一側設置有凹槽12，所述凹槽12活動連接所述驅動方塊8。 Further, referring to FIGS. 1 to 4 , a groove 12 is provided on one side of the second slider body 11 , and the groove 12 is movably connected to the driving block 8 .
進一步的，參見圖1~圖4，所述凹槽12內設置有若干個定位槽，定位槽用於保證方向的穩定性。 Further, referring to Figures 1 to 4, several positioning grooves are provided in the groove 12, and the positioning grooves are used to ensure directional stability.
進一步的，參見圖1~圖4，所述鋼管7通過傳動銷9連接驅動頭10。 Further, referring to Figures 1 to 4, the steel pipe 7 is connected to the driving head 10 through the transmission pin 9.
在本實施例中，第一滑塊主體5底部接觸平面有避空，解決全面接觸的不穩定性，掏空還解決的因為直線度的問題，導致接觸點變化而產生的不確定因素，解決受力過程中鋼管7發生變形，從而變形導致相互之間的摩擦，防止第二滑塊主體11不會一直往前端移動，扭力彈簧3的力通過方塊直接將力傳遞到第二滑塊主體11上，第二滑塊主體11再把力傳遞到第一滑塊主體5上，一直有壓力不存在會移動；第一滑塊主體5上的潤滑油槽13，可以採用圓形、長方形、多邊形以及環形等，同時油槽13的個數以及分佈不做限制，無論以任何形式的出現，只要起到潤滑作用即可。 In this embodiment, the contact plane at the bottom of the first slider body 5 is hollowed out, which solves the instability of full contact. The hollowed out also solves the uncertainty caused by the change of the contact point due to the problem of straightness. The steel pipe 7 deforms during the force application, and the deformation causes mutual friction, preventing the second slider body 11 from moving all the way to the front. The force of the torsion spring 3 directly transmits the force to the second slider body through the block. 11, the second slider body 11 then transmits force to the first slider body 5, and will move if there is no pressure; the lubricating oil groove 13 on the first slider body 5 can be circular, rectangular, or polygonal. And annular, etc., at the same time, the number and distribution of the oil grooves 13 are not limited, no matter they appear in any form, as long as they play a lubrication role.
第二滑塊主體11為合金材料，無論採用何種合金，第一滑塊主體5採用熟料件，現有材料為自潤滑熟料，只要能補足潤滑耐磨損的熟料，包括其它合成材料，也可以採用耐磨材料即可，有效的控制了摩擦的穩定性，摩擦穩定，則保證看精度統一，摩擦係數也相對非常穩定，整個力的傳遞過程中，非常穩定，有效的控制產品精度，第一滑塊主體5在力的釋放瞬間，滑塊主體5與鋼管7相互接觸。 The second slider body 11 is made of alloy material. No matter what alloy is used, the first slider body 5 is made of clinker. The existing material is self-lubricating clinker. As long as it can supplement the lubricating and wear-resistant clinker, other synthetic materials are included. , you can also use wear-resistant materials, which effectively controls the stability of friction. Stable friction ensures uniform accuracy, and the friction coefficient is relatively very stable. During the entire force transmission process, it is very stable and effectively controls product accuracy. , at the moment when the force of the first slider body 5 is released, the slider body 5 and the steel pipe 7 contact each other.
以上所述僅為本發明的較佳實施例而已，並不用以限制本發明，凡在本發明的精神和原則之內所作的任何修改、等同替換和改進等，均應包含在本發明的保護範圍之內。 The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.
1:手柄主體 1: Handle body
2:調節螺桿 2:Adjusting screw
3:扭力彈簧 3: Torsion spring
4:扭力鎖定環 4: Torque locking ring
5:第一滑塊主體 5:First slider body
6:碰撞塊 6: Collision block
7:鋼管 7:Steel pipe
8:驅動方塊 8: Drive block
9:傳動銷 9: Transmission pin
10:驅動頭 10:Drive head
11:第二滑塊主體 11:Second slider body
Claims (5)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210305152.7A CN114505809A (en) | 2022-03-25 | 2022-03-25 | Torque wrench with lubrication |
| CN202210305152.7 | 2022-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202337639A TW202337639A (en) | 2023-10-01 |
| TWI832213B true TWI832213B (en) | 2024-02-11 |
Family
ID=81555418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW111114510A TWI832213B (en) | 2022-03-25 | 2022-04-15 | Lubricated torque wrench |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114505809A (en) |
| TW (1) | TWI832213B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425952A (en) * | 2016-08-23 | 2017-02-22 | 新昌县城关伯苗轴承加工厂 | Portable movable wrench |
| TWM556653U (en) * | 2017-11-23 | 2018-03-11 | Ogc Torque Co Ltd | Oil seal structure of torque wrench |
| TWI690397B (en) * | 2019-02-25 | 2020-04-11 | 優鋼機械股份有限公司 | Torque wrench sound seat |
| US20210339366A1 (en) * | 2020-04-29 | 2021-11-04 | Stanley Black & Decker Mea Fze | Oil filter wrench |
| CN215980469U (en) * | 2021-09-25 | 2022-03-08 | 艾密(上海)科技有限公司 | Pneumatic hammer rod lubricating structure |
-
2022
- 2022-03-25 CN CN202210305152.7A patent/CN114505809A/en active Pending
- 2022-04-15 TW TW111114510A patent/TWI832213B/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425952A (en) * | 2016-08-23 | 2017-02-22 | 新昌县城关伯苗轴承加工厂 | Portable movable wrench |
| TWM556653U (en) * | 2017-11-23 | 2018-03-11 | Ogc Torque Co Ltd | Oil seal structure of torque wrench |
| TWI690397B (en) * | 2019-02-25 | 2020-04-11 | 優鋼機械股份有限公司 | Torque wrench sound seat |
| US20210339366A1 (en) * | 2020-04-29 | 2021-11-04 | Stanley Black & Decker Mea Fze | Oil filter wrench |
| CN215980469U (en) * | 2021-09-25 | 2022-03-08 | 艾密(上海)科技有限公司 | Pneumatic hammer rod lubricating structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114505809A (en) | 2022-05-17 |
| TW202337639A (en) | 2023-10-01 |
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